Home / 1,360,796.52-2,042,455.73-687,349.86

Finding the Fourth Proportional to 1,360,796.52, 2,042,455.73 and 687,349.86

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Solution

The fourth proportional to 1,360,796.52, 2,042,455.73 and 687,349.86 is: 1,031,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,796.52 : 2,042,455.73 = 687,349.86 : x
  2. Step 2: Convert to fraction form
    1,360,796.52/2,042,455.73 = 687,349.86/x
  3. Step 3: Cross multiply
    1,360,796.52x = 2,042,455.73 × 687,349.86
  4. Step 4: Simplify right side
    1,360,796.52x = 1,403,881,660,071.70
  5. Step 5: Solve for x
    x = 1,403,881,660,071.70/1,360,796.52
  6. Step 6: Final answer
    x = 1,031,661.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.